[by:¿É¿ÉÓ¢Óï¡«www.kekene.com] [00:00.22]The California Highway Patrol says a FedEx big rig crossed the median on I-5 just west of Chico yesterday evening into an oncoming charter bus carrying high school students headed to visit a college. [00:12.56]People near the scene describe what sounded like a sonic boom. [00:15.98]"We heard like an explosion, and we came outside and everything was already on fire." [00:21.23]Both drivers, five students and three chaperons were killed. Dozens injured. [00:25.52]Some students kicked open windows and ran for their lives. [00:29.08]The National Transportation Safety Board is also dispatching a team of investigators to the scene. [00:35.00]Jeff Monosso, FOX News Radio.